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@ynetlabo/warikan

v1.0.6

Published

a tool for the npm package to easily split the bill.

Downloads

24

Readme

@ynetlabo/warikan

割り勘用の計算モジュールです。簡単なステップでメンバーの割り勘結果を取得できます。

開始方法

1.パッケージのインストール

npm version

npm のパッケージインストールで簡単に取り込めます。

バグ修正を随時行なっていますので、最新版を取り込んでください。

npm i @ynetlabo/warikan

2.パッケージの取り込み

import 文でパッケージを取り込んでください

import { Warikan, WarikanCrItem, WarikanDrItem,
  WarikanMember,WarikanResult } from "@ynetlabo/warikan";

使用方法

1.Warikan インスタンスを初期化

const warikanUtil = new Warikan();

2.メンバーを作成

割り勘対象のメンバーを作成します。

第1引数に、ID を(一意である必要があります) 第2引数に、出力の際に使用するユーザ名を指定してください。

const yuuko = new WarikanMember("unique-key1", "yuuko");
const takeko = new WarikanMember("unique-key2", "takeko");
const setsuko = new WarikanMember("unique-key3", "setsuko");

3.メンバーに立替額/集金額を登録します

ⅰ. yuuko が ¥6,000 円建て替えました

yuuko.payUtils.addPayTrade(WarikanDrItem.TATEKAE, 6000);

ⅱ. takeko が ¥2,000 円 setsuko に集金を渡しました。

takeko.payUtils.addPayTrade(WarikanCrItem.SHUKIN, 2000);
setsuko.payUtils.addPayTrade(WarikanCrItem.SHUKIN, -2000);

4.Warikan インスタンスにメンバー登録します。

warikanUtil.addMembers([yuuko, takeko, setsuko]);

5.Warikan 結果を取得します。

Array型で取得できます

const results = warikanUtil.getSplitResultsByArray();

*.Sample

console.log(JSON.stringify(results, null, 2));

result.payTasks:誰から/誰にの割り勘タスク(メンバーごと)

[
  {
    "totalCr": 0,
    "totalDr": 6000,
    "totalAmount": 6000,
    "balance": 0,
    "balanceInit": 4000,
    "payAt": -2000,
    "payTasks": [
      {
        "fromId": "unique-key3",
        "fromName": "setsuko",
        "toId": "unique-key1",
        "toName": "yuuko",
        "amount": 4000,
        "createAt": "unique-key1",
        "isPayOutTask": false,
        "isPayInTask": true
      }
    ],
    "id": "unique-key1",
    "name": "yuuko"
  },
  {
    "totalCr": 2000,
    "totalDr": 0,
    "totalAmount": 2000,
    "balance": 0,
    "balanceInit": 0,
    "payAt": -2000,
    "payTasks": [],
    "id": "unique-key2",
    "name": "takeko"
  },
  {
    "totalCr": -2000,
    "totalDr": 0,
    "totalAmount": -2000,
    "balance": 0,
    "balanceInit": -4000,
    "payAt": -2000,
    "payTasks": [
      {
        "fromId": "unique-key3",
        "fromName": "setsuko",
        "toId": "unique-key1",
        "toName": "yuuko",
        "amount": 4000,
        "createAt": "unique-key3",
        "isPayOutTask": true,
        "isPayInTask": false
      }
    ],
    "id": "unique-key3",
    "name": "setsuko"
  }
]